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Finding the Fourth Proportional to 423,950.90, 584,467.65 and 338,200.92

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Solution

The fourth proportional to 423,950.90, 584,467.65 and 338,200.92 is: 466,250.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,950.90 : 584,467.65 = 338,200.92 : x
  2. Step 2: Convert to fraction form
    423,950.90/584,467.65 = 338,200.92/x
  3. Step 3: Cross multiply
    423,950.90x = 584,467.65 × 338,200.92
  4. Step 4: Simplify right side
    423,950.90x = 197,667,496,940.24
  5. Step 5: Solve for x
    x = 197,667,496,940.24/423,950.90
  6. Step 6: Final answer
    x = 466,250.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.